Thanks for the chapter!
Hmm, what if the plot twist was that our effeminate guy is actually part demon i.e. an incubus?
Ya know, with the incubussy and everything?
Could be the reason why he was able to retaliate and suck back at her.
I would not be surprised if corporate big wigs (the Zaibatsu, maybe?) and corrupt politicians knew about the succubi's existence, yet totally endorse the project of sending young boys to have their literal souls sucked out just so they can have the living husks with no free will come back and work for them for cheap-if not free-labor.